Mexborough are one win away from securing promotion from Division Four East after easing past Dearne at Hampden Road.
The visitors batted first and Jack Deakin opened with 47 and Paul Williams added 30 in their total of 141 all out.
Top of the table Mexborough needed three wickets and 20 overs to record the win. Jaan Shanaka opened with 30, Ryan Tingle was 38 not out and Neil Spruce scored 36.
Second-placed Adwick-le-Street strengthened their grip on an automatic promotion spot with victory at home to Wombwell Main.
Main scored 155-9 including 62 not out from David Guest and 34 from Lee Matthews. Carl Newbold took 3-39 and Declan Muldowney 3-53.
In response Luke Bishop (72) and Matthew Eades (36) put on 96 for the first wicket and Adwick won with five wickets to spare.
Bottom of the league Warmsworth B slipped closer to the drop following an eight wicket defeat at promotion-chasing Wentworth.
Wentworth were asked to field first and Warmsworth made good progress at 84-2. Youngster Joshua Grice scored 44, Paul Green 32 and Dominic Fell 42.
However, despite their promising start, Warmsworth collapsed to 131 all out. Chris Stead claimed 3-29.
In reply Wentworth obtained the runs needed for the loss of two wickets with Tom Orr the stand out batsman with 69 not out.
In the Premier Division Tickhill closed the gap on the top three with a 29-run win at Houghton Main.
Tickhill batted first and raised a total of 201-9.
Andrew Rennison opened with 50 and Lee Bradshaw added 57. Yousef Rehman bowled well to claim 5-38.
Main skipper Michael Brown (40) and Aussie Liam Rigby forged a partnership of 86 runs for the second wicket in response and Rehman made a personal contribution of 32.
The challenge petered out and Houghton accepted a point for their efforts at 172-9. Alex Rowland took 4-50.
Defeats for title chasing Treeton and Whitley Hall saw Tickhill move to within 12 points of third spot, which would be good enough to earn a place in next season’s new ECB South Yorkshire Premier League.
Conisbrough condemned Coal Aston to bottom spot after beating them by 93 runs.
After slipping to 93-7, Scott Lowe (36) and Nicholas Morley (42) repaired the innings, which closed on 218 all out.
Coal Aston deteriorated to 57-6 and were eventually all out for 125. Sri Lankan Arosh Janoda took 4-54 and Lowe took 3-17.
Sprotbrough’s promotion hopes suffered a setback following a suprise defeat to Division Two basement side Wickersley B.